* Copyright 1997 Piermont Information Systems Inc.

/* $NetBSD: md.c,v 1.12 2022/01/29 16:01:21 martin Exp $ */

/*
* Copyright 1997 Piermont Information Systems Inc.
* All rights reserved.
*
* Based on code written by Philip A. Nelson for Piermont Information
* Systems Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Piermont Information Systems Inc. may not be used to endorse
* or promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY PIERMONT INFORMATION SYSTEMS INC. ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL PIERMONT INFORMATION SYSTEMS INC. BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/

/* md.c -- zaurus machine specific routines */

#include <sys/param.h>
#include <sys/sysctl.h>

#include <stdio.h>
#include <util.h>

#include "defs.h"
#include "md.h"
#include "msg_defs.h"
#include "menu_defs.h"

void
md_init(void)
{
}

void
md_init_set_status(int flags)
{
static const int mib[2] = {CTL_KERN, KERN_VERSION};
size_t len;
char *version;

/* check INSTALL kernel name to select an appropriate kernel set */
/* XXX: hw.cpu_model has a processor name on arm ports */
sysctl(mib, 2, NULL, &len, NULL, 0);
version = malloc(len);
if (version == NULL)
return;
sysctl(mib, 2, version, &len, NULL, 0);
if (strstr(version, "C700") != NULL)
set_kernel_set(SET_KERNEL_C700);
free(version);
}

bool
md_get_info(struct install_partition_desc *install)
{
int res;

if (pm->no_mbr || pm->no_part)
return true;

again:
if (pm->parts == NULL) {

const struct disk_partitioning_scheme *ps =
select_part_scheme(pm, NULL, true, NULL);

if (!ps)
return false;

struct disk_partitions *parts =
(*ps->create_new_for_disk)(pm->diskdev,
0, pm->dlsize, true, NULL);
if (!parts)
return false;

pm->parts = parts;
if (ps->size_limit > 0 && pm->dlsize > ps->size_limit)
pm->dlsize = ps->size_limit;
}

res = set_bios_geom_with_mbr_guess(pm->parts);
if (res == 0)
return false;
else if (res == 1)
return true;

pm->parts->pscheme->destroy_part_scheme(pm->parts);
pm->parts = NULL;
goto again;
}

int
md_make_bsd_partitions(struct install_partition_desc *install)
{
return make_bsd_partitions(install);
}

/*
* any additional partition validation
*/
bool
md_check_partitions(struct install_partition_desc *install)
{
return true;
}

/*
* hook called before writing new disklabel.
*/
bool
md_pre_disklabel(struct install_partition_desc *install,
struct disk_partitions *parts)
{

if (parts->parent == NULL)
return true; /* no outer partitions */

parts = parts->parent;

msg_display_subst(MSG_dofdisk, 3, parts->disk,
msg_string(parts->pscheme->name),
msg_string(parts->pscheme->short_name));

/* write edited "MBR" onto disk. */
if (!parts->pscheme->write_to_disk(parts)) {
msg_display(MSG_wmbrfail);
process_menu(MENU_ok, NULL);
return false;
}
return true;
}

/*
* hook called after writing disklabel to new target disk.
*/
bool
md_post_disklabel(struct install_partition_desc *install,
struct disk_partitions *parts)
{
return true;
}

/*
* hook called after upgrade() or install() has finished setting
* up the target disk but immediately before the user is given the
* ``disks are now set up'' message.
*/
int
md_post_newfs(struct install_partition_desc *install)
{
struct mbr_sector pbr;
char adevname[STRSIZE];
ssize_t sz;
int fd = -1;

snprintf(adevname, sizeof(adevname), "/dev/r%sa", pm->diskdev);
fd = open(adevname, O_RDWR);
if (fd < 0)
goto out;

/* Read partition boot record */
sz = pread(fd, &pbr, sizeof(pbr), 0);
if (sz != sizeof(pbr))
goto out;

/* Check magic number */
if (pbr.mbr_magic != le16toh(MBR_MAGIC))
goto out;

#ifdef NETBSD_MAJOR
#define OSNAME "NetBSD" NETBSD_MAJOR
#else
#define OSNAME "NetBSD60"
#endif
/* Update oemname */
memcpy(&pbr.mbr_oemname, OSNAME, sizeof(OSNAME) - 1);

/* Clear BPB */
memset(&pbr.mbr_bpb, 0, sizeof(pbr.mbr_bpb));

/* write-backed new partition boot record */
(void)pwrite(fd, &pbr, sizeof(pbr), 0);

out:
if (fd >= 0)
close(fd);
return 0;
}

int
md_post_extract(struct install_partition_desc *install, bool upgrade)
{
return 0;
}

void
md_cleanup_install(struct install_partition_desc *install)
{
#ifndef DEBUG
enable_rc_conf();
#endif
}

int
md_pre_update(struct install_partition_desc *install)
{
return 1;
}

/* Upgrade support */
int
md_update(struct install_partition_desc *install)
{
md_post_newfs(install);
return 1;
}

int
md_check_mbr(struct disk_partitions *parts, mbr_info_t *mbri, bool quiet)
{
return 2;
}

bool
md_parts_use_wholedisk(struct disk_partitions *parts)
{

return parts_use_wholedisk(parts, 0, NULL);
}

int
md_pre_mount(struct install_partition_desc *install, size_t ndx)
{
return 0;
}

bool
md_mbr_update_check(struct disk_partitions *parts, mbr_info_t *mbri)
{
return false; /* no change, no need to write back */
}

#ifdef HAVE_GPT
bool
md_gpt_post_write(struct disk_partitions *parts, part_id root_id,
bool root_is_new, part_id efi_id, bool efi_is_new)
{
/* no GPT boot support, nothing needs to be done here */
return true;
}
#endif